82558325 has 12 divisors (see below), whose sum is σ = 107760960. Its totient is φ = 62570160.

The previous prime is 82558321. The next prime is 82558327. The reversal of 82558325 is 52385528.

It is not a de Polignac number, because 82558325 - 2² = 82558321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82558321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86429 + ... + 87378.

It is an arithmetic number, because the mean of its divisors is an integer number (8980080).

Almost surely, 2^82558325 is an apocalyptic number.

It is an amenable number.

82558325 is a deficient number, since it is larger than the sum of its proper divisors (25202635).

82558325 is a wasteful number, since it uses less digits than its factorization.

82558325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173836 (or 173831 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 82558325 is about 9086.1611806087. The cubic root of 82558325 is about 435.4319486203.

The spelling of 82558325 in words is "eighty-two million, five hundred fifty-eight thousand, three hundred twenty-five".